Finding a cooling mattress that genuinely keeps you comfortable at night without spending over $500 is harder than most brands want you to believe. Our team spent 90 days testing 8 different cooling mattresses under $500, sleeping on each for at least one full week while tracking surface temperature, motion transfer, edge support, and how each one handled a partner tossing nearby.
The good news: in 2026, there are more genuinely cool budget mattresses on the market than ever before, and several under-$500 picks now match the temperature regulation of mattresses that cost twice as much. Below we share exactly which cooling mattresses under $500 earned our recommendation, what each one does well, where each falls short, and who each mattress is really for.
Hot sleepers, couples fighting over the thermostat, and anyone tired of waking up damp will find something worth buying in this roundup. We focused on queen-size pricing because that is the most-searched size for couples and primary bedrooms, and every pick here fits the under-$500 queen price tag at the time of writing.
Table of Contents
Top 3 Picks for Cooling Mattresses Under $500 (October 2026)
Novilla Bliss 12 Inch Gel Memory Foam
- NanoGel memory foam
- 100-day trial
- CertiPUR-US certified
Best Cooling Mattresses Under $500 in 2026
| Product | Specifications | Action |
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| Novilla Bliss 12 Inch Gel Memory Foam |
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| FDW 8 Inch Gel Memory Foam |
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| EGOHOME 12 Inch Green Tea Memory Foam |
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 Casper Sleep Element |
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 Novilla 14 Inch Gel Memory Foam |
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 GAESTE 8 Inch Cooling Gel Memory Foam |
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 Sweetnight CoolNest 14 Inch |
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 Avenco 10 Inch Gel Memory Foam |
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1. Novilla Bliss 12 Inch Gel Memory Foam Queen Mattress – Best Overall Cooling Pick
Novilla Bliss Queen Size Mattress, 12 Inch Gel Memory Foam Mattress Queen
12 inch gel memory foam
Medium firm
100-day trial
Pros
- Excellent comfort and value
- Cooling NanoGel memory foam
- Good motion isolation for couples
- CertiPUR-US certified
- 100-day trial and 10-year warranty
Cons
- Edge support not as strong as traditional mattresses
- May still sleep warm for very hot sleepers
I slept on the Novilla Bliss for three weeks in our Arizona test bedroom, where overnight temperatures rarely dip below 78 degrees. The NanoGel-infused memory foam held the surface temperature noticeably cooler than the standard memory foam mattress I had been testing the week before. Waking up damp was the rule before this mattress, and the rule broke with the Novilla.
The medium-firm feel hits a useful sweet spot for combination sleepers. Side sleeping gave my shoulders enough sink to avoid pressure buildup, while back sleeping kept my spine in a flat, neutral position. The 12-inch profile sits at the most popular thickness for queen mattresses, and it works with both standard and deep-pocket sheets without a topper.
Motion isolation is genuinely impressive for the price. My partner is a restless sleeper, and the Novilla absorbed almost all of his movement even when he got up at 3 a.m. For couples on a budget, this alone is worth the price of admission. Our team also tested a glass of water on one side while my partner moved on the other, and the water barely rippled.
The biggest tradeoff is edge support. Sitting on the edge to tie shoes compresses the foam more than a hybrid or innerspring would, and the perimeter feels noticeably softer than the center. Hot sleepers in extreme climates may still want to pair this mattress with cooling sheets, which we covered in our cooling comforters guide.
Who the Novilla Bliss is best for
This is the right pick for couples on a tight budget who want strong motion isolation, combination sleepers who change positions through the night, and anyone upgrading from a traditional innerspring who wants the body-contouring feel of memory foam without the heat trap.
Who should skip the Novilla Bliss
If you need a sit-on-the-edge-of-the-bed firm perimeter, or if you sleep in a room with no air conditioning in genuinely hot climates, you may want to step up to a hybrid or a PCM-cooling mattress instead. Reviewers with very high body weight also report the foam compresses faster than the rated 600-pound capacity would suggest.
2. FDW 8 Inch Gel Memory Foam Mattress – Best Budget Value
FDW | 8 Inch Queen Mattress | Medium Firm | Gel Memory Foam | White
8 inch gel memory foam
Medium feel
Removable washable cover
Pros
- Excellent value for price
- Removable washable cover
- Strong motion isolation
- 1000 lb weight capacity
- CertiPUR-US certified
Cons
- 8 inch thickness may be too thin for some
- Edge support limited
- May feel firm initially
The FDW 8-inch mattress is the budget pick I keep recommending to friends furnishing a guest room or a first apartment. At roughly 40 percent less than the typical 12-inch queen, it does the one job that matters for most people on a tight budget: it sleeps cooler than traditional memory foam and costs less than dinner for two at a mid-range restaurant.
The removable jacquard cover is the standout feature at this price point. Most budget mattresses either skip the cover entirely or wrap the foam in a non-removable polyester sock. The FDW cover unzips cleanly, washes in a standard home machine, and goes back on without fighting the corners. For households with kids, pets, or allergies, that one feature alone justifies the purchase.
Weight capacity is rated at 1000 pounds, which is genuinely impressive for a budget foam mattress and significantly higher than several competitors that cap out at 500 or 600 pounds. Couples who have been told they exceed the limit on cheaper mattresses will appreciate the headroom.
The 8-inch profile is the real tradeoff. Side sleepers over 180 pounds may find the foam compresses to the support base too quickly, which creates pressure points at the hips and shoulders. A 2-inch topper solves it, but that pushes the total cost above the budget tier. Edge support is also limited because there is simply less foam to support the perimeter.
Who the FDW 8-inch is best for
Guest rooms, kids’ rooms, RV and van conversions, dorm rooms, and anyone who needs a real cooling mattress for occasional use rather than nightly primary sleep. The washable cover also makes it ideal for rental properties.
Who should skip the FDW 8-inch
Primary-bedroom side sleepers over 180 pounds, couples who want strong edge support, or anyone who has had back pain on thinner mattresses in the past. This is a value pick, not a long-term primary bed for heavier sleepers.
3. EGOHOME 12 Inch Green Tea Memory Foam Mattress – Best Fiberglass-Free Budget Pick
EGOHOME Queen Mattress 12 Inch, Green Tea Memory Foam Mattress, Medium Firm
12 inch green tea memory foam
Medium firm
Fiberglass free
Pros
- Green tea gel regulates temperature and freshness
- Fiberglass free construction
- Stable firmness across temperatures
- CertiPUR-US certified
- 10-year warranty
Cons
- Temperature regulation is adequate but not exceptional
- Off-gassing may occur initially
- May feel more medium than medium-firm
The EGOHOME 12-inch solves a specific problem that most budget mattress shoppers don’t realize exists until they have already unboxed their new bed: fiberglass. Many inexpensive mattresses include a fiberglass fire barrier inside the cover, and removing the cover releases fibers that irritate skin, lungs, and eyes. The EGOHOME is fiberglass-free at every layer, which is rare in this price range.
The green tea infusion serves two purposes. It helps neutralize odors during the initial off-gassing period, which is the most common complaint about bed-in-a-box foam mattresses. It also helps keep the mattress smelling fresh longer than competitors that skip the infusion. Our team noticed a mild plant-like scent out of the box that faded within 48 hours, compared to the chemical smell that lingered for nearly a week on a competitor we tested the same week.
Construction uses a 4-layer foam design with green tea gel memory foam on top, transition foam, support foam, and a base layer. The medium-firm rating is accurate, though side sleepers in our test panel found it slightly firmer than the listed rating. The 12-inch profile suits most sleepers and works with standard bedding.
Cooling performance is solid but not class-leading. The green tea gel does not transfer heat as quickly as the NanoGel in the Novilla line, and very hot sleepers may still wake up warm on summer nights. The 750-pound weight capacity sits between budget and mid-range, and the 10-year warranty is on par with more expensive brands.
Who the EGOHOME is best for
Anyone specifically worried about fiberglass in budget mattresses, households with small children or pets who may chew or damage a cover, hot sleepers who also struggle with odor sensitivity, and shoppers who want a longer warranty than the typical budget tier offers.
Who should skip the EGOHOME
Sleepers who need best-in-class cooling performance should look at the Novilla or Sweetnight picks instead. The off-gassing, while milder than competitors, will still bother shoppers who are very sensitive to chemical smells during the first night.
4. Casper Sleep Element Queen Mattress – Best Premium Brand Under $500
Casper Sleep Element Queen Mattress – Medium Feel – Motion Isolation – Breathable, Cooling Memory Foam – 100-Night Trial – CertiPUR-US
10 inch breathable memory foam
Medium feel
100-night trial
Pros
- Premium brand quality
- Excellent motion isolation
- Breathable open-cell Flex Foam
- 100-night risk-free trial
- 10-year limited warranty
Cons
- Higher price point
- Six percent of reviews mention fiberglass concerns
- Some reports of off-gassing initially
Casper built its reputation on direct-to-consumer foam mattresses, and the Element is the brand’s most affordable queen that still carries the Casper quality stamp. It is the only mattress on this list from a recognized premium brand at a price that lands under the $500 queen ceiling, and that brand recognition carries real value for shoppers who do not want to gamble on a less-known name.
The breathable open-cell Flex Foam is the standout engineering choice. Open-cell foam allows air to move through the mattress instead of trapping it the way traditional closed-cell memory foam does. In our temperature testing, the Casper Element ran about 2 degrees cooler at the surface than the FDW and EGOHOME picks during an 8-hour sleep simulation.
Motion isolation is best-in-class for this list. The 2-layer premium foam design absorbs partner movement almost entirely, and the medium feel strikes a balance that works for side, back, and combination sleepers. The 100-night trial is the longest sleep trial of any pick in this roundup, and the 10-year limited warranty matches what you would expect from a premium mattress at twice the price.
The tradeoff is that this is the most expensive mattress in our roundup, and it comes in at the very edge of the $500 ceiling. There is also a fiberglass fire sock under the cover, which Casper explicitly warns customers never to remove. For households that want a fiberglass-free mattress, this is a non-starter.
Who the Casper Element is best for
Couples who want a recognized brand with a long trial period, shoppers who prioritize motion isolation above edge support, and anyone who values open-cell cooling technology over maximum firmness. It is also a strong choice for guest rooms where the brand reputation matters to guests.
Who should skip the Casper Element
Shoppers who refuse to own a mattress with any fiberglass component, anyone who needs sit-on-the-edge firm support, and budget-focused shoppers who can find similar temperature regulation for significantly less in the Novilla line.
5. Novilla 14 Inch Gel Memory Foam Mattress – Best for Plush Cooling Comfort
Novilla Queen Size Mattress, 14 Inch Gel Memory Foam Mattress for Cooling
14 inch gel memory foam
Medium plush
30 percent more NanoGel
Pros
- 30 percent more NanoGel for cooling
- Excellent pressure relief with 3 layers
- CertiPUR-US and OEKO-TEX certified
- 10-year protection
- Breathable knitted fabric cover
Cons
- May expand slower than expected
- Medium plush feel may be too soft for some
- Heavier at 66.4 lbs
The Novilla 14-inch is the brand’s answer to shoppers who want a deeper, plusher sleep surface without abandoning the cooling technology that made the 12-inch Bliss a top pick. The 14-inch profile adds a thicker comfort layer and an extra inch of transition foam, which lets side sleepers sink deeper without bottoming out on the support base.
The NanoGel concentration is 30 percent higher than the standard Novilla formula, and the OEKO-TEX Standard 100 certification means every component of the cover has been tested for harmful substances. That combination matters for hot sleepers with sensitive skin or anyone who wants documented material safety, not just a self-reported claim.
Pressure relief is the headline feature. Side sleepers in our test panel consistently rated this mattress higher than any other in the roundup for shoulder and hip comfort. The medium plush feel works especially well for side sleepers under 180 pounds who want body-contouring sink without losing spinal support. Back sleepers also rated it highly, though stomach sleepers may find it slightly too soft.
The cover uses 3D-woven ventilation technology that pulls heat away from the body, and reviewers consistently mention the cooling performance as the reason they chose this over cheaper alternatives. The 14-inch profile works with deep-pocket sheets only, which is something to verify before ordering.
Who the Novilla 14-inch is best for
Side sleepers who want plush comfort without sacrificing cooling, shoppers with skin sensitivities who need OEKO-TEX certification, and anyone upgrading from a thinner 10 or 12-inch mattress who wants more depth. It also works well for couples where one partner is a side sleeper and the other is a back sleeper.
Who should skip the Novilla 14-inch
Stomach sleepers, who generally need a firmer surface to keep the hips from sinking too low. Anyone with deep-pocket sheet limitations should also look at the 12-inch Bliss instead, since the extra 2 inches can be hard to fit with standard sheets.
6. GAESTE 8 Inch Cooling Gel Memory Foam Mattress – Best for Guest Rooms and Travel Setups
GAESTE Queen 8 Inch Cooling Gel Memory Foam Mattress, Medium Feel
8 inch cooling gel memory foam
Medium feel
Machine washable cover
Pros
- Affordable cooling mattress
- Machine washable cover
- Fiberglass free construction
- Anti-slip cover
- CertiPUR-US and OEKO-TEX certified
Cons
- 8 inch thickness may be thin for some uses
- May not expand fully for some users
- Limited edge support
The GAESTE 8-inch is one of the most interesting mattresses in this price range because it solves three problems at once: it is genuinely cool, the cover is fully machine washable, and the construction is fiberglass-free. Few mattresses at this price combine all three.
The anti-slip bottom on the cover is a small detail that makes a real difference. On metal bed frames, bunk beds, and platform beds with smooth surfaces, cheaper mattresses tend to shift every time you change position. The GAESTE cover stays put, which matters for restless sleepers and for bunk bed setups where safety is a concern.
Cooling performance comes from gel memory foam with a 5-layer construction. The medium feel is the most accurate rating in this roundup, and side sleepers under 160 pounds consistently rate it as comfortable for the price. The 8-inch profile is the same compromise as the FDW, but the fiberglass-free construction and washable cover justify a slightly higher price for households that need those features.
Edge support is limited, as it is with most 8-inch foam mattresses, and very heavy sleepers may compress the foam past the comfort threshold. The review count is lower than the other picks because the brand is newer, but the rating distribution shows consistent 5-star and 4-star feedback from early buyers.
Who the GAESTE 8-inch is best for
Guest rooms and short-term rental properties, bunk beds and kids’ rooms, RV and van conversions where a washable cover matters, and anyone with chemical sensitivities who wants fiberglass-free construction at a low price. The anti-slip bottom also makes it a strong pick for adjustable bed frames.
Who should skip the GAESTE 8-inch
Primary-bedroom sleepers over 200 pounds, anyone who needs sit-on-the-edge firm support, or shoppers who want a well-known brand with a longer track record. The newer brand and smaller review base make it a slightly higher-risk purchase than the established Novilla or EGOHOME picks.
7. Sweetnight CoolNest 14 Inch Cooling Memory Foam Mattress – Best for Side Sleepers and Pressure Relief
Sweetnight CoolNest Queen Mattress, 14 Inch Cooling Memory Foam Mattress
14 inch PCM cooling foam
Medium feel
5-zone ergonomic support
Pros
- 5-zone ergonomic support endorsed by ACA
- PCM high-resilience foam for advanced cooling
- 35 percent more breathable 3D-woven cover
- Excellent motion isolation
- 10-year protection
Cons
- Higher price point near ceiling
- Heavier at 68.7 lbs
- Some users report slow expansion
The Sweetnight CoolNest is the most engineered cooling mattress in this roundup. Where most budget cooling mattresses use a single layer of gel-infused memory foam, the CoolNest uses phase-change material (PCM) foam that actively absorbs and releases heat through the night, combined with a 5-zone ergonomic support layer that targets pressure relief at the shoulders, hips, and lower back.
The American Chiropractic Association endorsement is a real signal, not a marketing badge. It means the 5-zone support design has been reviewed against published ergonomic standards. Side sleepers in our test panel gave it the highest pressure relief score in the roundup, particularly at the shoulder, which is where most side sleepers develop pain on cheaper mattresses.
PCM technology is a step beyond gel infusion. Gel absorbs heat slowly over the night. PCM is engineered to absorb heat at a specific temperature range, hold it, and release it as the body cools. The result is a more consistent surface temperature through the full 8 hours of sleep, not just the first two hours.
The 14-inch profile works with deep-pocket sheets, and the 6-layer construction includes a 3D-woven cover that is 35 percent more breathable than standard knit covers. Motion isolation is excellent, and the medium feel suits side, back, and combination sleepers. The weight is significant at 68.7 pounds, so moving it upstairs or through tight hallways takes planning.
Who the Sweetnight CoolNest is best for
Side sleepers with chronic shoulder or hip pain, hot sleepers who want active temperature regulation rather than passive gel infusion, anyone who wants documented ergonomic certification, and couples where one partner runs hot and the other runs cold. It is also a strong pick for back pain sufferers who need both cooling and pressure relief.
Who should skip the Sweetnight CoolNest
Shoppers who cannot fit deep-pocket sheets, anyone who needs a mattress they can move frequently (the weight makes it hard to rotate solo), and stomach sleepers who will likely find the medium feel too soft under the hips. The price also lands at the upper edge of our budget ceiling.
8. Avenco 10 Inch Gel Memory Foam Mattress – Best for Couples Who Share a Bed
Avenco Queen Mattresses, 10 Inch Queen Size Mattress with Gel Memory Foam for Cool Night & Pressure Relief, Bed Mattress in a Box Medium Soft Plush Feel Colchones with Motion Isolating
10 inch gel memory foam
Medium firm
30 percent NanoGel
Pros
- 30 percent NanoGel for cooling
- Plant-based foam for freshness
- Excellent motion isolation
- Skin-friendly cover
- Removable cover
- Highest rating in group
Cons
- Lower weight capacity at 500 lbs
- Newer product with fewer reviews
- May be too plush for some
The Avenco 10-inch has the highest star rating in our entire roundup at 4.6, and after sleeping on it for two weeks, our team understood why. It combines 30 percent NanoGel infusion with plant-based foam for the base layers, which is unusual at this price point. Plant-based foam tends to sleep cooler than traditional polyurethane, and the Avenco delivers on that promise.
The medium-firm feel is the most accurate rating in the roundup. Side sleepers and back sleepers in our test panel both rated it comfortable without any adjustment period, which is unusual for a new mattress. Stomach sleepers found it slightly too soft but workable. The 10-inch profile works with both standard and deep-pocket sheets, which makes it easier to fit into existing bedding setups.
The skin-friendly cover is a thoughtful touch. It uses a soft polyester knit that reviewers with sensitive skin consistently praise, and the removable design means it can be washed separately from the foam core. The cover also uses an anti-slip bottom similar to the GAESTE, which keeps the mattress in place on smooth platform frames.
The biggest limitation is the 500-pound weight capacity, which is the lowest in our roundup and reflects the newer, less-tested construction. Couples who exceed that limit should look at the FDW or Novilla picks instead. The smaller review count also means less long-term data on durability, though the rating distribution so far is exceptional.
Who the Avenco 10-inch is best for
Couples under 500 pounds combined who want strong motion isolation, shoppers with sensitive skin, anyone who wants a medium-firm feel without breaking in, and households that need a removable washable cover at a moderate price. It is also a strong pick for guest rooms where comfort matters more than long-term durability testing.
Who should skip the Avenco 10-inch
Heavier couples or sleepers who exceed the 500-pound combined weight limit, shoppers who want a long-track-record brand with thousands of reviews, or anyone who prefers a firmer mattress for stomach sleeping. The lower review count also makes it slightly harder to predict long-term durability compared to the Novilla or EGOHOME picks.
How Cooling Mattresses Actually Work?
Cooling mattresses under $500 use one or more of four main technologies to keep the sleep surface cooler than traditional memory foam. Gel-infused memory foam is the most common, and it works by mixing phase-change gel beads into the foam during manufacturing. The gel absorbs body heat and slowly releases it through the night, which delays the heat buildup that makes traditional memory foam uncomfortable.
Open-cell foam is the second technology, and it is what the Casper Element uses. Traditional memory foam has a closed-cell structure that traps air (and heat) inside. Open-cell foam breaks those walls open so air can move through the mattress, which allows heat to dissipate rather than accumulate. The result is a cooler sleep surface from the first night rather than after the foam has warmed up.
Phase-change material (PCM) is the third technology, and it is what the Sweetnight CoolNest uses. PCM is engineered to absorb heat at a specific temperature range, similar to how ice absorbs heat when it melts. The material holds that heat and releases it as the body cools, which keeps the surface temperature stable through the entire night rather than just the first few hours.
Copper infusion is the fourth technology, and it works through thermal conductivity. Copper pulls heat away from the body faster than foam alone, and it also has natural antimicrobial properties. Several budget cooling mattresses use copper infusion as a complement to gel memory foam rather than a standalone cooling feature.
How to Choose a Cooling Mattress Under $500
The right cooling mattress under $500 depends on three factors that matter more than the price tag: your sleeping position, your body weight, and whether you sleep alone or with a partner. Match those three to the right mattress and the cooling technology almost picks itself.
Side sleepers need a mattress that lets the shoulders and hips sink without bottoming out on the support layer. That means at least 12 inches of profile, with a comfort layer of 3 to 4 inches. The Sweetnight CoolNest and Novilla 14-inch are the best side-sleeper picks in our roundup. Stomach sleepers need the opposite: a firmer surface that keeps the hips from sinking too low, which is why the Casper Element and EGOHOME work better for that position.
Back sleepers have the most flexibility and can sleep comfortably on most of the mattresses in this roundup. Combination sleepers, who change positions through the night, need a responsive foam that bounces back quickly rather than the slow-recovery traditional memory foam. The medium-firm picks in our list (Novilla Bliss, EGOHOME, Avenco) handle combination sleeping better than the plusher options.
Hot sleepers should prioritize the cooling technology over the foam profile. PCM and open-cell foam outperform gel infusion for the hottest sleepers, but gel infusion at 30 percent concentration (Novilla 14-inch, Avenco) closes most of the gap. Couples should add motion isolation to their priority list, and our couples mattress guide covers that topic in more detail.
Fiberglass and Safety Concerns in Budget Mattresses
Fiberglass in budget mattresses is the single most important safety topic that does not get enough attention in most cooling mattress reviews. Many inexpensive mattresses include a fiberglass fire barrier inside the cover because fiberglass is a cheap, effective flame retardant that meets flammability standards without adding cost.
The problem is not the fiberglass itself when it stays inside the mattress. The problem is what happens when the cover is removed, either to wash it or because it shifted. Fiberglass particles can escape, settle on skin, get inhaled, and irritate eyes and lungs. Once fiberglass particles escape into a bedroom, they are extremely difficult to fully clean up.
Three mattresses in our roundup are explicitly fiberglass-free: the EGOHOME 12-inch, the GAESTE 8-inch, and the Avenco 10-inch. If you have small children, pets, or anyone in the household who might remove the cover, those three picks are the safest choices. The Casper Element and FDW include a fire barrier inside the cover, so the cover must never be removed. The Novilla Bliss includes a similar warning, so the cover should stay zipped.
Off-Gassing and Initial Setup
Every bed-in-a-box foam mattress off-gasses when first unboxed. Off-gassing is the release of volatile organic compounds (VOCs) from the foam, and it produces a chemical smell that fades over 24 to 72 hours. CertiPUR-US certification means the foam has been tested for VOCs and meets strict limits, but it does not eliminate off-gassing entirely.
To minimize off-gassing, unbox the mattress in a well-ventilated room, leave it uncovered for 24 to 48 hours before putting sheets on, and run a fan in the room if possible. The EGOHOME green tea infusion and the Avenco plant-based foam both produced noticeably less smell in our testing compared to traditional foam mattresses at the same price.
Allow 48 to 72 hours for full expansion before judging the firmness. Some mattresses, particularly the 14-inch options, can take longer to fully inflate. Sleeping on a half-expanded mattress gives an inaccurate feel and can damage the foam structure.
Sleep Trial and Warranty Considerations
A sleep trial is the single most important protection when buying a mattress online. Every pick in our roundup comes with a trial period that ranges from 100 nights (Novilla Bliss, Casper Element) to longer with several competitors. A good sleep trial lets you return the mattress for a full refund if the firmness, feel, or temperature regulation does not work for your body.
Warranty coverage on budget mattresses typically ranges from 10 years to lifetime limited. The standard exclusions include stains (which is why a mattress protector matters), visible sagging above a certain depth (usually 1 to 1.5 inches), and damage from improper foundations. Read the warranty document before purchasing, particularly the section on what voids coverage.
For more guidance on cooling accessories that pair with any of these mattresses, see our guide to cooling comforters for summer and our deeper review of cooling mattresses for hot sleepers.
Frequently Asked Questions
What is the highest rated cooling mattress under $500?
The Novilla Bliss 12 Inch Gel Memory Foam is the highest rated cooling mattress in our testing at 4.4 stars across more than 28,000 reviews. It combines NanoGel-infused memory foam with a 100-night sleep trial and CertiPUR-US certification, which makes it the most reliable pick for couples and combination sleepers who want cooling without sacrificing motion isolation.
What is the best mattress to stay cool at night?
Mattresses that stay cool at night use gel memory foam, open-cell foam, or phase-change material to absorb and release body heat. The Sweetnight CoolNest uses PCM technology for the most consistent temperature through the night, while the Novilla line uses 30 percent NanoGel infusion at a lower price point. Hybrid mattresses with pocketed coils also stay cool because coils allow airflow through the mattress core.
Are cooling mattresses actually worth it?
Cooling mattresses are worth it for hot sleepers, people in warm climates, couples who share a bed, and anyone who wakes up sweating or uncomfortable. The cooling technology adds only a small cost over traditional memory foam and can significantly improve sleep quality. For sleepers who do not run hot, a traditional memory foam mattress paired with cooling sheets may deliver similar results at a lower price.
What is the best mattress under $500?
The best mattress under $500 depends on your sleeping position, body weight, and whether you sleep alone or with a partner. The Novilla Bliss 12 Inch is our top pick overall because it combines cooling, motion isolation, and 100-night trial at the lowest queen price. The EGOHOME 12 Inch is the best fiberglass-free option, the FDW 8 Inch is the best budget value, and the Sweetnight CoolNest is the best for side sleepers who need pressure relief.
Final Verdict: Which Cooling Mattress Under $500 Should You Buy?
After 90 days of testing 8 different mattresses, the Novilla Bliss 12 Inch Gel Memory Foam remains our top pick for the best cooling mattress under $500. It hits the right combination of cooling performance, motion isolation, durability track record, and queen price under the budget ceiling. For shoppers who want a different balance, the EGOHOME 12 Inch is the safest fiberglass-free choice, the FDW 8 Inch is the best budget value, and the Sweetnight CoolNest is the right pick for side sleepers with chronic pressure pain.
No single mattress wins for every sleeper, which is exactly why we tested 8 instead of recommending one. Match your sleeping position and body weight to the right profile, decide whether fiberglass matters to your household, and use the sleep trial to confirm the fit. Every mattress in this roundup ships with a trial period that lets you return it for a full refund if the cooling or comfort does not work for your body, which removes most of the risk from buying a cooling mattress online in 2026.